Delco battery date
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Electrical Technical Information Discussion, Delco battery date in Item Specific Cadillac Discussion; I will be shopping for a new battery for my 2001 STS. The last one (a Delco) lasted 1 year ...
  1. #1
    ocgltd's Avatar
    ocgltd is offline Cadillac Owners Fanatic
    Automobile(s): 2001 STS
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    Delco battery date

    I will be shopping for a new battery for my 2001 STS. The last one (a Delco) lasted 1 year - which pisses me off. In case I stick with Delco (see my other thread), is there a way to determine the manufacture date?

    I found some OLD threads on this topic but I don't think they apply anymore.

    Thanks


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  3. #2
    ocgltd's Avatar
    ocgltd is offline Cadillac Owners Fanatic
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    Thread Starter

    Re: Delco battery date

    The guy at the Delco shop explained the current numbering to me...so I'm posting for the interest of other members:

    My battery is marked P121R which means:
    P = Made in Pennsylvania
    12 = Made in Dec (12th month)
    1 = Made in 2011 (2010 + this digit)
    R = no ideas...

  4. #3
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Delco battery date

    Made in Pennsylvania - I wonder if that's an East Penn battery - Deka #779MF. They make batteries for a LOT of contracts.

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  6. #4
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: Delco battery date

    save yourself some money and get one from Walmart -

    seriously - 3 year FREE replacement - pro-rated to 7 years -
    been using them for years -
    one defective one - replaced for free after 2 years of use -

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